There is provided a signal generator which includes a main memory which stores at least time data indicating timing when a state change of a timing pulse occurs and space data indicating a state of the timing pulse corresponding to the time data; a counter which counts a clock to be a reference; a first memory which stores predetermined time data in time data stored in the main memory; a comparator which compares an output of the counter with the predetermined time data stored in the first memory and to output a result; a second memory which stores predetermined space data in space data stored in the main memory; and output signal control means which controls the timing pulse to a state of the timing pulse indicated by the space data stored in the second memory on the basis of an output of the comparator.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A signal generator comprising: a main memory which stores at least time data indicating timing when a state change of a timing pulse occurs and space data indicating a state of the timing pulse corresponding to the time data; a counter which counts a clock to be a reference; a first memory connected to the main memory to store predetermined time data in time data stored in the main memory; a comparator connected to the counter and the first memory to compare an output of the counter with the predetermined time data stored in the first memory and to output a result; a second memory connected to the main memory to store predetermined space data in space data stored in the main memory; and output signal control means connected to the comparator and the second memory, which controls the timing pulse to a state of the timing pulse indicated by the space data stored in the second memory on the basis of an output of the comparator.
2. The signal generator according to claim 1 , wherein the main memory is a random access memory.
3. The signal generator according to claim 1 , wherein the first memory is composed of an n bit register (n is an integer equal to or more than 1), and the second memory is composed of x (x is an integer equal to or more than 1) one bit registers.
4. The signal generator according to claim 1 , wherein the second memory performs control of the timing pulse using an output that has departed from the comparator first as a trigger, and after that the second memory stores space data pertaining to the control of the timing pulse using an output that has departed later from the comparator as a trigger.
5. A signal generator comprising: a main memory which stores at least time data indicating timing when a state change of a timing pulse occurs and space data indicating a state of the timing pulse corresponding to the time data; a counter which counts a clock to be a reference; a first memory connected to the main memory to store predetermined time data in time data stored in the main memory; a comparator connected to the counter and the first memory to compare an output of the counter with the predetermined time data stored in the first memory and to output a result; a second memory connected to the main memory to store predetermined space data in space data stored in the main memory; and an output signal controller connected to the comparator and the second memory, which controls the timing pulse to a state of the timing pulse indicated by the space data stored in the second memory on the basis of an output of the comparator.
Cooperative Patent Classification codes for this invention. Click any code to explore related patents in that topic.
November 13, 2006
June 23, 2009
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